Improved ditching-machine



UNITED STATES PATENT OEEIoE.

GOODMAN JENSEN, OF BROOKLYN, NEW YORK.

` IMPROVED DITCHlNG-IVIAQHINE.

Specification forming part of Letters Patent No. 58,834, dated October 16, 1866.

To all whom it may concern:

Beit known that I, GOODMAN JENSEN, of Brooklyn, E. D., in the county of Kings and State of New York, have invented and made a certain new and useful Improvement in Ditching-Machines; .and I do hereby declare the following to be a full, clear, and exact description of the same, reference being had to the annexed drawings, making partof this speciiication, wherein- Figure 1 is a plan of my machine for ditching. Fig. 2 is an elevation at the front end of the machine, and Fig. 3 is a section through the excavator and drivin g-wheels.

Similar marks of reference denote the same parts.

The nature of my said invention consists in a rotary excavator for forming a ditch or trench, in combination with transverse conveyers that deliver the earth from the said rotary excavator upon the earth at the sides of the trench, so as to form an embankment or dike. I mount said excavator upon a oating vscow or vessel, so as to be easily transported from place to place, and by a stern-wheel propelled up the ditch and kept to its work of excavating.

In thc drawings, a is a scow or vessel, in which is a boiler, b, and engine c, of any usual or desired con struction, to communicate rotary motion to the wheel 1, from which a belt or band passes to the wheel e on a shaft, j', with a bevel-pinion, g, to the wheel h, beneath which is a gear acting directly to rotate the excavator 7c, or through the intermediate pinion i. This excavator L is shaped as a conoid, with scraping-blades set spirally upon its surface, as at 1 1, and at the large end of the conoid excavator is a flange, 2. The rotation of this eo- Anoid excavator against the soil scrapes the same back against the flange 2 by the space between the Scrapers l 1 filling with such soil, and the soil being gradually forced back by thc scraping of fresh soil by the said Scrapers. Across the machine I employ a transverse conveying-tube sitting upon the larger portion of the cone, in front of the liange 2, and this conveying-tube Z is open in the central part oi' the bottom over the cone, and also atthe ends. Vithin this transverse conveyer Z, I fit Scrapers, that scrape the soil oft the excavator 7c and deliver it lupon the bank at one or both sides. If the soil is all to be delivered on one side, then but one range of scrapers is required; but I have shown two ranges of scrapers, m and a, separated by a central partition, o, one range of scrapers moving one way and the other the other way, by means of the pulleys p, q, and i and wheel s, to the bevel-wheel h, so that the soil may be separated and deposited equally on the right and left banks ot` the ditch.

The Scrapers m and it are represented as connected by chains passing over drums or pulleys on the shafts of the pulleys p 1^, and as these chains and scrapers goin opposite directions, it will be understood that the pulleys over which they pass at the respective ends are one fast upon the shaft, the other loose, so as to turn in the opposite direction to the shaft.

In order to propel the boat from place to place, or to keep it up to work in excavating, I make use of a stern-wheel or propeller, t, driven by a chain, a', or belt from the pulley w on the shaft f, anda coupling, u, and lever t serve to connect or disconnect this sternwheel, asoccasion may require; and after the excavation of the drain is completed, or it is desired to go out of the same, chain ,x may be put on singly, (if crossed before,) so as to reverse the wheel t without changing the direction ofthe engine.

What Iclaim, and desire to secure byLetters Patent., is

1. The rotary conoid excavator, formed with the series of scraping-blades 1 1, and with the iiange 2 at its largest end, against which the soil is scraped, in combination with a stationary trunk, l, and scrapers to convey the soil from the conoid excavator and deliver the same, in the manner set forth.

2. The arrangement of the gearing and pulleys for actuating the scrapcrs and rotary excavator, combined with said rotary excavator, substantially as specified. 3. 1n combination .with the rotary excavator and transverse conveyers, the stern-wheel or propeller and the boat or scow, the parts being fitted substantially as and for the purposes specified.

In witness whereof I have hereunto set my signature this 13th day of January, 1866.

Gr. JENSEN.

Vitnesses:

CEAS. H. SMITH, GEO. D. WALKER. 

